US2517029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic toothbrush
Assignee: Individual
•
Filing: 1946-08-15
•
Granted: 1950-08-01
•
Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Sr George S Ridner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:02
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/02; A46B7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1407214A
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US1468431A
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GB221092A
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US1731500A
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US1826234A
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US1797946A
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US1947720A
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US2083728A
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US2093007A
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US2060869A
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US2116406A
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US2154846A
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US2160618A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |